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远程本地切换怎么保持频率设定不变 
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<div class="kmtxt">石油现场很多用到远程本地频率切换，这样就涉及到本地和远程频率保持同步的问题。
如本地为键盘设定频率，远程为通讯设：
当从本地切到远程时，需要控制器将P00.06参数设置为通讯设定，然后将当前设定频率给到2001H；

当从远程切换到本地时，将远程频率给到P00.10,这时多一个步骤，首先要清除频率设定增减（可使用虚拟端子 ...</div>							
							
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塔式抽油机开环运行 
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<div class="kmtxt">塔式抽油机通过变频器换向，正反转切换需要保持低频出力，GD350-13油田专机之前使用闭环较多。近期软件升级优化，正反转切无死区，矢量1模式开环运行稳换向。开环可为客户节省编码器成本、减少故障点</div>							
							
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油田抽油机用GD200A变频器，运行一段时间之后偶尔出现恒速过流故障，可以复位再运行， 
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<div class="kmtxt">油田项目早期应用了大量的GD200A变频器，后续负载有同步机的时候也会采用GD200A变频器。导致调试时运行不稳定，或者调试正常运行一段时间之后出现过流或其他异常现场。该类问题首先查看电机类型及电机参数设置。</div>							
							
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地面直驱螺杆泵控制 
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<div class="kmtxt">油田采油直驱螺杆泵设备组成比较简单，由同步电机、传动杆、螺杆泵及调速控制系统等组成，适合于高黏稠、高含气、高含砂、高含水以及低产油井的原油开采，能有效地克服气锁、砂卡等现象，且占地面积小，效率高，其增产节能优越性较好。
地面直驱螺杆泵一般必须配置变频器驱动，主要因素如下：
1、高极对数永磁同步电机开环 ...</div>							
							
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游梁式抽油机变频控制 
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<div class="kmtxt">游梁式抽油机使用变频器主要目的在于调速与节能，调速目的可以通过调整频率实现，而节能则有很多种方法，一方面可以从调整平衡度以及通过变频器抑制制动扭矩实现，而另一方面可通过工艺调整提升泵效来实现节能，相对后者空间更大，能够更加精细的管理抽油机能耗。
在此提出一种控制方式，即通过变频器内部扭矩变换生成电功 ...</div>							
							
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英威腾变频器在顶驱控制系统有成熟的方案吗，有什么特点？ 
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<div class="kmtxt">在顶驱控制中，英威腾在国内外有多套现场使用成熟案例，获得用户一直好评。根据系统要求及特点，英威腾多传动系统方案使用整流模块通过直流母线为逆变器供电，即考虑整流余量，又合理的降低了总装机容量。顶驱逆变器均采用速度矢量控制模式，控制精度高、速度响应块，运行更加稳定可靠。 ...</div>							
							
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英威腾在海洋石油平台有变频电源系统的使用案例吗 
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<div class="kmtxt">Goodrive系列变频电源产品是深圳市英威腾电气股份有限公司针对港口船舶负载用电需求自主研发，设计，生产的高性能专用变频电源，涵盖了港口电网0.38kV，6kV，10kV等多个电压等级，完全能适应客户不同的电源制式要求，广泛应用于船上、船舶制造及修理厂、远洋钻井平台、岸边码头等需要由50Hz工业用电变为60Hz高质量稳频稳压 ...</div>							
							
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在石油钻机的绞车应用中GD800支持双电机主从同步应用吗 
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在石油钻机改造项目中，GD800变频器能否无缝兼容以前系统中其他品牌变频器的通讯设置？ 
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英威腾变频器在电代油上有成功应用吗，运行稳定性如何？ 
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英威腾变频器在海洋平台有潜油电泵成熟应用经验吗？ 
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